Correct test to use Unsigned version of function

Jan Breuer

2015-10-04 4133f2d8ba0d49c6d9a6a93650a81743aef81fa4

 .travis.yml

@@ -2,10 +2,8 @@
  apt:
    packages:
    - libcunit1-dev
    - gcc-multilib

sudo: false

script:
    - make test
    - CFLAGS="-m32" LDFLAGS="-m32" make clean test